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Aerospace Engineering Scholarly Works: Recent submissions
Now showing items 41-49 of 49
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Semilinear stochastic equations in a Hilbert space with a fractional Brownian motion
(Society for Industrial and Applied Mathematics, 2009-02-01)The solutions of a family of semilinear stochastic equations in a Hilbert space with a fractional Brownian motion are investigated. The nonlinear term in these equations has primarily only a growth condition assumption. ... -
Linear-quadratic fractional Gaussian control
(Society for Industrial and Applied Mathematics, 2013-01-01)In this paper a control problem for a linear stochastic system driven by a noise process that is an arbitrary zero mean, square integrable stochastic process with continuous sample paths and a cost functional that is ... -
Linear-quadratic control for stochastic equations in a Hilbert space with a fractional Brownian motion
(Society for Industrial and Applied Mathematics, 2012-01-01)A linear-quadratic control problem with a finite time horizon for some infinite-dimensional controlled stochastic differential equations driven by a fractional Gaussian noise is formulated and solved. The feedback form of ... -
Adaptive control for semilinear stochastic systems
(Society for Industrial and Applied Mathematics, 2000-01-01)An adaptive, ergodic cost stochastic control problem for a partially known, semilinear, stochastic system in an infinite dimensional space is formulated and solved. The solutions of the Hamilton--Jacobi--Bellman equations ... -
Coupling of twin rectangular supersonic jets
(CAMBRIDGE UNIV PRESS, 1998-01)Twin jet plumes on aircraft can couple, producing dynamic pressures significant enough to cause structural fatigue. For closely spaced jets with a moderate aspect ratio (e.g. 5), previous work has established that two ... -
A Kiefer-Wolfowitz algorithm with randomized differences
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-03)A Kiefer-Wolfowitz or simultaneous perturbation algorithm that uses either one-sided or two-sided randomized differences and truncations at randomly varying bounds is given in this paper. At each iteration of the algorithm ... -
Adaptive continuous-time linear quadratic Gaussian control
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-09)The adaptive linear quadratic Gaussian control problem, where the linear transformation of the state A and the linear transformation of the control B are unknown, is solved assuming only that (A, B) is controllable and (A, ... -
Adaptive control of stochastic manufacturing systems with hidden Markovian demands and small noise
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-02)The adaptive production planning of failure-prone manufacturing systems is considered in this paper, In real manufacturing systems, the product demand is usually not known a priori. One of the major tasks in production ... -
A note on sampling and parameter estimation in linear stochastic systems
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-11)Numerical differentiation formulas that yield consistent least squares parameter estimates from sampled observations of linear, time invariant higher order systems have been introduced previously by Duncan et al. The ...
